diff --git a/core/Makefile b/core/Makefile
index 9314b94..890fc04 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -892,7 +892,12 @@
 # $1: boot image file name
 # $2: boot image variant (boot, boot-debug, boot-test-harness)
 define get-bootimage-partition-size
-  $(BOARD_$(call to-upper,$(subst .img,,$(subst $(2),kernel,$(notdir $(1)))))_BOOTIMAGE_PARTITION_SIZE)
+$(BOARD_$(call to-upper,$(subst .img,,$(subst $(2),kernel,$(notdir $(1)))))_BOOTIMAGE_PARTITION_SIZE)
+endef
+
+# $1: partition size
+define get-partition-size-argument
+  $(if $(1),--partition_size $(1),--dynamic_partition_size)
 endef
 
 ifneq ($(strip $(TARGET_NO_KERNEL)),true)
@@ -1024,7 +1029,7 @@
   $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(call get-bootimage-partition-size,$(1),boot)))
   $(AVBTOOL) add_hash_footer \
           --image $(1) \
-          --partition_size $(call get-bootimage-partition-size,$(1),boot) \
+          $(call get-partition-size-argument,$(call get-bootimage-partition-size,$(1),boot)) \
           --partition_name boot $(INTERNAL_AVB_BOOT_SIGNING_ARGS) \
           $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS)
 endef
@@ -1107,7 +1112,7 @@
 	cp $(INTERNAL_PREBUILT_BOOTIMAGE) $@
 	$(AVBTOOL) add_hash_footer \
 	    --image $@ \
-	    --partition_size $(BOARD_BOOTIMAGE_PARTITION_SIZE) \
+	    $(call get-partition-size-argument,$(BOARD_BOOTIMAGE_PARTITION_SIZE)) \
 	    --partition_name boot $(INTERNAL_AVB_BOOT_SIGNING_ARGS) \
 	    $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS)
 else
@@ -1145,7 +1150,7 @@
 	$(call assert-max-image-size,$@,$(BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE))
 	$(AVBTOOL) add_hash_footer \
            --image $@ \
-	   --partition_size $(BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE) \
+	   $(call get-partition-size-argument,$(BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE)) \
 	   --partition_name init_boot $(INTERNAL_AVB_INIT_BOOT_SIGNING_ARGS) \
 	   $(BOARD_AVB_INIT_BOOT_ADD_HASH_FOOTER_ARGS)
 else
@@ -1166,7 +1171,7 @@
 	cp $(INTERNAL_PREBUILT_INIT_BOOT_IMAGE) $@
 	$(AVBTOOL) add_hash_footer \
 	    --image $@ \
-	    --partition_size $(BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE) \
+	    $(call get-partition-size-argument,$(BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE)) \
 	    --partition_name boot $(INTERNAL_AVB_INIT_BOOT_SIGNING_ARGS) \
 	    $(BOARD_AVB_INIT_BOOT_ADD_HASH_FOOTER_ARGS)
 else
@@ -1294,7 +1299,7 @@
 	$(call assert-max-image-size,$@,$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE))
 	$(AVBTOOL) add_hash_footer \
            --image $@ \
-	   --partition_size $(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE) \
+	   $(call get-partition-size-argument,$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE)) \
 	   --partition_name vendor_boot $(INTERNAL_AVB_VENDOR_BOOT_SIGNING_ARGS) \
 	   $(BOARD_AVB_VENDOR_BOOT_ADD_HASH_FOOTER_ARGS)
 else
@@ -2395,8 +2400,8 @@
     $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE))))
   $(if $(filter true,$(BOARD_AVB_ENABLE)), \
     $(if $(filter true,$(BOARD_USES_RECOVERY_AS_BOOT)), \
-      $(AVBTOOL) add_hash_footer --image $(1) --partition_size $(call get-bootimage-partition-size,$(1),boot) --partition_name boot $(INTERNAL_AVB_BOOT_SIGNING_ARGS) $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS),\
-      $(AVBTOOL) add_hash_footer --image $(1) --partition_size $(BOARD_RECOVERYIMAGE_PARTITION_SIZE) --partition_name recovery $(INTERNAL_AVB_RECOVERY_SIGNING_ARGS) $(BOARD_AVB_RECOVERY_ADD_HASH_FOOTER_ARGS)))
+      $(AVBTOOL) add_hash_footer --image $(1) $(call get-partition-size-argument,$(call get-bootimage-partition-size,$(1),boot)) --partition_name boot $(INTERNAL_AVB_BOOT_SIGNING_ARGS) $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS),\
+      $(AVBTOOL) add_hash_footer --image $(1) $(call get-partition-size-argument,$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)) --partition_name recovery $(INTERNAL_AVB_RECOVERY_SIGNING_ARGS) $(BOARD_AVB_RECOVERY_ADD_HASH_FOOTER_ARGS)))
 endef
 
 recoveryimage-deps := $(MKBOOTIMG) $(recovery_ramdisk) $(recovery_kernel)
@@ -2562,7 +2567,7 @@
 $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(call get-bootimage-partition-size,$(1),$(2))))
 $(AVBTOOL) add_hash_footer \
   --image $(1) \
-  --partition_size $(call get-bootimage-partition-size,$(1),$(2))\
+  $(call get-partition-size-argument,$(call get-bootimage-partition-size,$(1),$(2)))\
   --partition_name boot $(INTERNAL_AVB_BOOT_TEST_SIGNING_ARGS) \
   $(BOARD_AVB_BOOT_ADD_HASH_FOOTER_ARGS)
 $(call assert-max-image-size,$(1),$(call get-bootimage-partition-size,$(1),$(2)))
@@ -2650,7 +2655,7 @@
 $(call assert-max-image-size,$(1),$(call get-hash-image-max-size,$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE)))
 $(AVBTOOL) add_hash_footer \
   --image $(1) \
-  --partition_size $(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE) \
+  $(call get-partition-size-argument,$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE)) \
   --partition_name vendor_boot $(INTERNAL_AVB_VENDOR_BOOT_TEST_SIGNING_ARGS) \
   $(BOARD_AVB_VENDOR_BOOT_ADD_HASH_FOOTER_ARGS)
 $(call assert-max-image-size,$(1),$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE))
@@ -3680,7 +3685,7 @@
 	cp $(BOARD_PREBUILT_DTBOIMAGE) $@
 	$(AVBTOOL) add_hash_footer \
 	    --image $@ \
-	    --partition_size $(BOARD_DTBOIMG_PARTITION_SIZE) \
+	    $(call get-partition-size-argument,$(BOARD_DTBOIMG_PARTITION_SIZE)) \
 	    --partition_name dtbo $(INTERNAL_AVB_DTBO_SIGNING_ARGS) \
 	    $(BOARD_AVB_DTBO_ADD_HASH_FOOTER_ARGS)
 else
@@ -3707,7 +3712,7 @@
 	cp $< $@
 	$(AVBTOOL) add_hash_footer \
 	    --image $@ \
-	    --partition_size $(BOARD_PVMFWIMAGE_PARTITION_SIZE) \
+	    $(call get-partition-size-argument,$(BOARD_PVMFWIMAGE_PARTITION_SIZE)) \
 	    --partition_name pvmfw $(INTERNAL_AVB_PVMFW_SIGNING_ARGS) \
 	    $(BOARD_AVB_PVMFW_ADD_HASH_FOOTER_ARGS)
 else
@@ -3749,7 +3754,7 @@
           --image $(3) \
           --key $(BOARD_AVB_$(call to-upper,$(2))_KEY_PATH) \
           --algorithm $(BOARD_AVB_$(call to-upper,$(2))_ALGORITHM) \
-          --partition_size $(BOARD_AVB_$(call to-upper,$(2))_PARTITION_SIZE) \
+          $(call get-partition-size-argument,$(BOARD_AVB_$(call to-upper,$(2))_PARTITION_SIZE)) \
           --partition_name $(2) \
           $(INTERNAL_AVB_CUSTOMIMAGES_SIGNING_ARGS) \
           $(BOARD_AVB_$(call to-upper,$(2))_ADD_HASHTREE_FOOTER_ARGS)
@@ -5563,7 +5568,7 @@
 	$(hide) cp $(TOPDIR)system/update_engine/update_engine.conf $(zip_root)/META/update_engine_config.txt
 	$(hide) cp $(TOPDIR)external/zucchini/version_info.h $(zip_root)/META/zucchini_config.txt
 	$(hide) cp $(HOST_OUT_SHARED_LIBRARIES)/liblz4.so $(zip_root)/META/liblz4.so
-	$(hide) for part in $(strip $(AB_OTA_PARTITIONS)); do \
+	$(hide) for part in $(sort $(AB_OTA_PARTITIONS)); do \
 	  echo "$${part}" >> $(zip_root)/META/ab_partitions.txt; \
 	done
 	$(hide) for conf in $(strip $(AB_OTA_POSTINSTALL_CONFIG)); do \
diff --git a/core/base_rules.mk b/core/base_rules.mk
index f497ddf..c554c80 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -996,6 +996,11 @@
         $(call word-colon,2,$(f))))
 endif
 
+ifdef LOCAL_TEST_DATA_BINS
+  ALL_MODULES.$(my_register_name).TEST_DATA_BINS := \
+    $(ALL_MODULES.$(my_register_name).TEST_DATA_BINS) $(LOCAL_TEST_DATA_BINS)
+endif
+
 ##########################################################################
 ## When compiling against the VNDK, add the .vendor or .product suffix to
 ## required modules.
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 7152934..57f9ef8 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -318,6 +318,7 @@
 LOCAL_TARGET_REQUIRED_MODULES:=
 LOCAL_TEST_CONFIG:=
 LOCAL_TEST_DATA:=
+LOCAL_TEST_DATA_BINS:=
 LOCAL_TEST_MAINLINE_MODULES:=
 LOCAL_TEST_MODULE_TO_PROGUARD_WITH:=
 LOCAL_TIDY:=
diff --git a/core/combo/select.mk b/core/combo/select.mk
index 7617558..9c7e69e 100644
--- a/core/combo/select.mk
+++ b/core/combo/select.mk
@@ -35,7 +35,7 @@
   ,HOST_CROSS builds are not supported in Make)
 else
 
-$(combo_var_prefix)GLOBAL_ARFLAGS := crsPD -format=gnu
+$(combo_var_prefix)GLOBAL_ARFLAGS := crsPD --format=gnu
 
 $(combo_var_prefix)STATIC_LIB_SUFFIX := .a
 
diff --git a/core/main.mk b/core/main.mk
index e9cbc60..654f549 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -348,7 +348,7 @@
 ADDITIONAL_PRODUCT_PROPERTIES += ro.build.characteristics=$(TARGET_AAPT_CHARACTERISTICS)
 
 ifeq ($(AB_OTA_UPDATER),true)
-ADDITIONAL_PRODUCT_PROPERTIES += ro.product.ab_ota_partitions=$(subst $(space),$(comma),$(strip $(AB_OTA_PARTITIONS)))
+ADDITIONAL_PRODUCT_PROPERTIES += ro.product.ab_ota_partitions=$(subst $(space),$(comma),$(sort $(AB_OTA_PARTITIONS)))
 endif
 
 # -----------------------------------------------------------------
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 7f9dbe5..85c7286 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -206,6 +206,8 @@
 $(call add_json_list, SystemExtPrivateSepolicyDirs,      $(SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS) $(BOARD_PLAT_PRIVATE_SEPOLICY_DIR))
 $(call add_json_list, BoardSepolicyM4Defs,               $(BOARD_SEPOLICY_M4DEFS))
 $(call add_json_str,  BoardSepolicyVers,                 $(BOARD_SEPOLICY_VERS))
+$(call add_json_str,  SystemExtSepolicyPrebuiltApiDir,   $(BOARD_SYSTEM_EXT_PREBUILT_DIR))
+$(call add_json_str,  ProductSepolicyPrebuiltApiDir,     $(BOARD_PRODUCT_PREBUILT_DIR))
 
 $(call add_json_str,  PlatformSepolicyVersion,           $(PLATFORM_SEPOLICY_VERSION))
 $(call add_json_str,  TotSepolicyVersion,                $(TOT_SEPOLICY_VERSION))
diff --git a/core/sysprop.mk b/core/sysprop.mk
index 12ead6e..86435d96 100644
--- a/core/sysprop.mk
+++ b/core/sysprop.mk
@@ -270,6 +270,7 @@
 	        PLATFORM_PREVIEW_SDK_FINGERPRINT="$$(cat $(API_FINGERPRINT))" \
 	        PLATFORM_VERSION_CODENAME="$(PLATFORM_VERSION_CODENAME)" \
 	        PLATFORM_VERSION_ALL_CODENAMES="$(PLATFORM_VERSION_ALL_CODENAMES)" \
+	        PLATFORM_VERSION_KNOWN_CODENAMES="$(PLATFORM_VERSION_KNOWN_CODENAMES)" \
 	        PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION="$(PLATFORM_MIN_SUPPORTED_TARGET_SDK_VERSION)" \
 	        BUILD_VERSION_TAGS="$(BUILD_VERSION_TAGS)" \
 	        $(if $(OEM_THUMBPRINT_PROPERTIES),BUILD_THUMBPRINT="$(BUILD_THUMBPRINT_FROM_FILE)") \
diff --git a/core/tasks/module-info.mk b/core/tasks/module-info.mk
index 9acf6e8..e5ddb1a 100644
--- a/core/tasks/module-info.mk
+++ b/core/tasks/module-info.mk
@@ -26,6 +26,7 @@
 			'"is_unit_test": "$(ALL_MODULES.$(m).IS_UNIT_TEST)", ' \
 			'"data": [$(foreach w,$(sort $(ALL_MODULES.$(m).TEST_DATA)),"$(w)", )], ' \
 			'"runtime_dependencies": [$(foreach w,$(sort $(ALL_MODULES.$(m).LOCAL_RUNTIME_LIBRARIES)),"$(w)", )], ' \
+			'"data_dependencies": [$(foreach w,$(sort $(ALL_MODULES.$(m).TEST_DATA_BINS)),"$(w)", )], ' \
 			'},\n' \
 	 ) | sed -e 's/, *\]/]/g' -e 's/, *\}/ }/g' -e '$$s/,$$//' >> $@
 	$(hide) echo '}' >> $@
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 4dbc941..8ee21c8 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -79,6 +79,13 @@
 PLATFORM_BASE_SDK_EXTENSION_VERSION := 1
 .KATI_READONLY := PLATFORM_BASE_SDK_EXTENSION_VERSION
 
+# This is are all known codenames starting from Q.
+PLATFORM_VERSION_KNOWN_CODENAMES := Q R S Sv2 Tiramisu
+# Convert from space separated list to comma separated
+PLATFORM_VERSION_KNOWN_CODENAMES := \
+  $(call normalize-comma-list,$(PLATFORM_VERSION_KNOWN_CODENAMES))
+.KATI_READONLY := PLATFORM_VERSION_KNOWN_CODENAMES
+
 ifndef PLATFORM_SECURITY_PATCH
     #  Used to indicate the security patch that has been applied to the device.
     #  It must signify that the build includes all security patches issued up through the designated Android Public Security Bulletin.
diff --git a/core/version_util.mk b/core/version_util.mk
index b7c4e48..2633640 100644
--- a/core/version_util.mk
+++ b/core/version_util.mk
@@ -90,6 +90,15 @@
   PLATFORM_VERSION_CODENAME \
   PLATFORM_VERSION_ALL_CODENAMES
 
+ifneq (REL,$(PLATFORM_VERSION_CODENAME))
+  codenames := \
+    $(subst $(comma),$(space),$(strip $(PLATFORM_VERSION_KNOWN_CODENAMES)))
+  ifeq ($(filter $(PLATFORM_VERSION_CODENAME),$(codenames)),)
+    $(error '$(PLATFORM_VERSION_CODENAME)' is not in '$(codenames)'. \
+        Add PLATFORM_VERSION_CODENAME to PLATFORM_VERSION_KNOWN_CODENAMES)
+  endif
+endif
+
 ifndef PLATFORM_VERSION
   ifeq (REL,$(PLATFORM_VERSION_CODENAME))
       PLATFORM_VERSION := $(PLATFORM_VERSION_LAST_STABLE)
diff --git a/target/product/core_no_zygote.mk b/target/product/core_no_zygote.mk
new file mode 100644
index 0000000..205a897
--- /dev/null
+++ b/target/product/core_no_zygote.mk
@@ -0,0 +1,30 @@
+#
+# Copyright (C) 2022 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Inherit from this product for devices that do not include a zygote using:
+# $(call inherit-product, $(SRC_TARGET_DIR)/product/core_64_bit_only.mk)
+# The inheritance for this must come before the inheritance chain that leads
+# to core_minimal.mk.
+
+# Copy the no-zygote startup script
+PRODUCT_COPY_FILES += system/core/rootdir/init.no_zygote.rc:system/etc/init/hw/init.no_zygote.rc
+
+# Set the zygote property to select the no-zygote script.
+# This line must be parsed before the one in core_minimal.mk
+PRODUCT_VENDOR_PROPERTIES += ro.zygote=no_zygote
+
+TARGET_SUPPORTS_32_BIT_APPS := false
+TARGET_SUPPORTS_64_BIT_APPS := false
diff --git a/target/product/virtual_ab_ota/compression.mk b/target/product/virtual_ab_ota/compression.mk
index d5bd2a5..88c58b8 100644
--- a/target/product/virtual_ab_ota/compression.mk
+++ b/target/product/virtual_ab_ota/compression.mk
@@ -18,7 +18,6 @@
 
 PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.compression.enabled=true
 PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.userspace.snapshots.enabled=true
-PRODUCT_VENDOR_PROPERTIES += ro.virtual_ab.io_uring.enabled=true
 PRODUCT_VIRTUAL_AB_COMPRESSION := true
 PRODUCT_PACKAGES += \
     snapuserd.vendor_ramdisk \
diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
index a349cba..20c96de 100755
--- a/tools/buildinfo.sh
+++ b/tools/buildinfo.sh
@@ -16,6 +16,7 @@
 echo "ro.build.version.preview_sdk_fingerprint=$PLATFORM_PREVIEW_SDK_FINGERPRINT"
 echo "ro.build.version.codename=$PLATFORM_VERSION_CODENAME"
 echo "ro.build.version.all_codenames=$PLATFORM_VERSION_ALL_CODENAMES"
+echo "ro.build.version.known_codenames=$PLATFORM_VERSION_KNOWN_CODENAMES"
 echo "ro.build.version.release=$PLATFORM_VERSION_LAST_STABLE"
 echo "ro.build.version.release_or_codename=$PLATFORM_VERSION"
 echo "ro.build.version.security_patch=$PLATFORM_SECURITY_PATCH"
diff --git a/tools/releasetools/Android.bp b/tools/releasetools/Android.bp
index 7b2c290..25483f3 100644
--- a/tools/releasetools/Android.bp
+++ b/tools/releasetools/Android.bp
@@ -558,6 +558,7 @@
 
 python_binary_host {
     name: "fsverity_manifest_generator",
+    defaults: ["releasetools_binary_defaults"],
     srcs: [
         "fsverity_manifest_generator.py",
     ],
@@ -574,6 +575,7 @@
 
 python_binary_host {
     name: "fsverity_metadata_generator",
+    defaults: ["releasetools_binary_defaults"],
     srcs: [
         "fsverity_metadata_generator.py",
     ],
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index f4f9178..b1d90bd 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -498,8 +498,9 @@
   def GetPartitionBuildProp(self, prop, partition):
     """Returns the inquired build property for the provided partition."""
 
-    # Boot image uses ro.[product.]bootimage instead of boot.
-    prop_partition = "bootimage" if partition == "boot" else partition
+    # Boot image and init_boot image uses ro.[product.]bootimage instead of boot.
+    # This comes from the generic ramdisk
+    prop_partition = "bootimage" if partition == "boot" or partition == "init_boot" else partition
 
     # If provided a partition for this property, only look within that
     # partition's build.prop.
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index adba866..e06f4e6 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -1244,6 +1244,7 @@
   logger.info("Building vendor partitions using vendor otatools.")
   vendor_tempdir = common.UnzipTemp(output_zip_path, [
       "META/*",
+      "SYSTEM/build.prop",
   ] + ["{}/*".format(p.upper()) for p in OPTIONS.vendor_partitions])
 
   # Disable various partitions that build based on misc_info fields.
@@ -1266,9 +1267,25 @@
     for key in sorted(vendor_misc_info):
       output.write("{}={}\n".format(key, vendor_misc_info[key]))
 
+  # Disable system partition by a placeholder of IMAGES/system.img,
+  # instead of removing SYSTEM folder.
+  # Because SYSTEM/build.prop is still needed for:
+  #   add_img_to_target_files.CreateImage ->
+  #   common.BuildInfo ->
+  #   common.BuildInfo.CalculateFingerprint
+  vendor_images_path = os.path.join(vendor_tempdir, "IMAGES")
+  if not os.path.exists(vendor_images_path):
+    os.makedirs(vendor_images_path)
+  with open(os.path.join(vendor_images_path, "system.img"), "w") as output:
+    pass
+
   # Disable care_map.pb as not all ab_partitions are available when
   # vendor otatools regenerates vendor images.
-  os.remove(os.path.join(vendor_tempdir, "META/ab_partitions.txt"))
+  if os.path.exists(os.path.join(vendor_tempdir, "META/ab_partitions.txt")):
+    os.remove(os.path.join(vendor_tempdir, "META/ab_partitions.txt"))
+  # Disable RADIO images
+  if os.path.exists(os.path.join(vendor_tempdir, "META/pack_radioimages.txt")):
+    os.remove(os.path.join(vendor_tempdir, "META/pack_radioimages.txt"))
 
   # Build vendor images using vendor otatools.
   vendor_otatools_dir = common.MakeTempDir(prefix="vendor_otatools_")
@@ -1276,6 +1293,7 @@
   cmd = [
       os.path.join(vendor_otatools_dir, "bin", "add_img_to_target_files"),
       "--is_signing",
+      "--add_missing",
       "--verbose",
       vendor_tempdir,
   ]